If this is true, it means the XO does not. Well, not exactly - obviously run-of-the-mill USB mice work. I've found a couple of mousepad bug reports over at http://www.olpc.com, but they don't say anything about how they were fixed, just that they were fixed.

And the few that I saw were apparently caused by a very over-sensitive mouse pad. For instance one problem report stated that there would be mouse movement when your finger was as much as 1/3 of an inch above the pad. Another was the mouse jumped to a corner when you removed your finger from the pad.

matt -- i did some googling for "usb touchpad sensitivity linux", and came up with a bunch of references to a "synaptics" touchpad driver. i don't know if that's applicable, though, since yours is connected via USB.

have used the Ergonomic Touch pad several months. It does everything your mouse does, left click, right click, Scroll!, drag & drop, zoom, glide extend and much more.I found no problems with that. If it works fine on a Win box may be there would be problem of muse jumping.Ergonomic Touch pad is a low profile ergonomic design,means less hand movement and more comfort.It comes with a special Velcro backed housing that make it “ten touch pads in one!” You can set it, stick it down or use one of our keyboard mounts to put it within an inch of your typing hands on your computer keyboard!